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MC14C89AB Datasheet Preview

MC14C89AB Datasheet

Quad Low Power Line Receivers

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MC14C89AB pdf
MC14C89B, AB
Quad Low Power
Line Receivers
The MC14C89B and MC14C89AB are low monolithic quad line receivers
using bipolar technology, which conform to the EIA–232–E, EIA–562 and
CCITT V.28 Recommendations. The outputs feature LSTTL and CMOS
compatibility for easy interface to +5.0 V digital systems. Internal
time–domain filtering eliminates the need for external filter capacitors in most
cases.
The MC14C89B has an input hysteresis of 0.35 V, while the MC14C89AB
hysteresis is 0.95 V. The response control pins allow adjustment of the
threshold level if desired. Additionally, an external capacitor may be added
for additional noise filtering.
The MC14C89B and MC14C89AB are available in both a 14 pin
dual–in–line plastic DIP and SOIC package.
Features:
Low Power Consumption
Meets EIA–232–E, EIA–562, and CCITT V.28 Recommendations
TTL/CMOS Compatible Outputs
Standard Power Supply: + 5.0 V ±10%
Pin Equivalent to MC1489, MC1489A, TI’s SN75C189/A, SN75189/A
and National Semiconductor’s DS14C89/A
External Filtering Not Required in Most Cases
Threshold Level Externally Adjustable
Hysteresis: 0.35 V for MC14C89B, 0.95 V for MC14C89AB
Available in Plastic DIP, and Surface Mount Packaging
Operating Ambient Temperature: –40° to +85°C
Representative Block Diagram
(Each Receiver)
VCC
Input
QUAD LOW POWER
LINE RECEIVERS
SEMICONDUCTOR
TECHNICAL DATA
P SUFFIX
PLASTIC PACKAGE
CASE 646
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
PIN CONNECTIONS
Input A 1
Response
Control A
2
Output A 3
Input B 4
Response
Control B
5
Output B 6
Ground 7
14 VCC
13 Input D
12
Response
Control D
11 Output D
10 Input C
9
Response
Control C
8 Output C
(Top View)
Response
Control
MOTOROLA ANALOG IC DEVICE DATA
Output
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC14C89BP
Plastic DIP
MC14C89ABP TA = – 40° to +85°C Plastic DIP
MC14C89ABD
SO–14
© Motorola, Inc. 1996
Rev 0
1



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MC14C89AB Datasheet Preview

MC14C89AB Datasheet

Quad Low Power Line Receivers

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MC14C89AB pdf
MC14C89B, AB
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC(max)
VCC(min)
Input Voltage
Output Load Current
Junction Temperature
VCC
Vin
IO
TJ
+ 7.0
– 0.5
± 30
Self–Limiting
–65, +150
Vdc
Vdc
°C
Devices should not be operated at these limits. The “Recommended Operating Conditions” table provides
for actual device operation.
RECOMMENDED OPERATING CONDITIONS
Characteristic
Symbol
Min
Power Supply Voltage
Input Voltage
Output Current Capability
Operating Ambient Temperature
VCC
Vin
IO
TA
4.5
–25
–7.5
–40
All limits are not necessarily functional concurrently.
p pELECTRICAL CHARACTERISTICS (–40°C TA +85°C, unless otherwise noted.)*
Characteristic
Symbol
Min
p pSupply Current (Iout = 0)
ICC @ +4.5 V VCC +5.5 V
pOutput Voltage – High, Vin 0.4 V (See Figures 2 and 3)
Iout = –20 µA
VCC = 4.5 V
VCC = 5.5 V
Iout = –3.2 mA
VCC = 4.5 V
qVCC = 5.5 V
Output Voltage – Low, Vin 2.4 V
Iout = 3.2 mA
VCC = 4.5 V
VCC = 5.5 V
Output Short Circuit Current** (VCC = 5.5 V, see Figure 4)
Normally High Output shorted to ground
Normally Low Output shorted to VCC
ICC
VOH
VOL
IOS
3.5
3.5
2.5
2.5
–35
Input Threshold Voltage (VCC = 5.0 V)
(MC14C89AB, see Figure 5) Low Level
High Level
(MC14C89B, see Figure 6)
Low Level
High Level
t t t tInput Impedance (+4.5 V VCC +5.5 V –25 V Vin +25 V)
VIL
VIH
VIL
VIH
0.75
1.6
0.75
1.0
3.0
* * Typicals reflect performance @ TA = 25°C
**Only one output shorted at a time, for not more than 1.0 seconds.
TIMING CHARACTERISTICS (TA = +25°C, unless otherwise noted.)
Characteristic
Symbol
p pOutput Transition Time (10% to 90%)
4.5 V VCC 5.5 V
tT
p pPropagation Delay Time
4.5 V VCC 5.5 V
Output Low–to–High
Output High–to–Low
Input Noise Rejection (see Figure 9)
tPLH
tPHL
Min
1.0
Typ Max
5.0 5.5
– 25
– 6.0
– 85
Typ
330
3.8
4.8
3.7
4.7
0.1
0.1
–13.9
+10.3
0.95
1.90
0.95
1.3
5.5
Max
700
0.4
0.4
35
1.25
2.25
1.25
1.5
7.0
Typ Max
0.08 0.30
3.35 6.0
2.55 6.0
1.5 –
Unit
Vdc
Vdc
mA
°C
Unit
µA
Vdc
mA
Vdc
k
Unit
µs
µs
µs
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC14C89AB
Description Quad Low Power Line Receivers
Maker SYC
Total Page 6 Pages
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